Cheapest return flights from Seattle to Cancun in March from $358

AirHint found the following cheapest return flights from Seattle (SEA) to Cancun (CUN) in March 2026 (see full year).

Return flights

04 Mar - 10 Mar Volaris
06 Mar - 17 Mar Aeromexico
04 Mar - 10 Mar Aeromexico direct
04 Mar - 08 Mar Volaris
14 Mar - 20 Mar Aeromexico
19 Mar - 23 Mar Volaris
19 Mar - 24 Mar Volaris
03 Mar - 08 Mar Volaris
13 Mar - 17 Mar Alaska Airlines
15 Mar - 20 Mar Aeromexico

Also check the deals for one-way flights from Seattle to Cancun in March.

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